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Contents
# frozen_string_literal: true
require "curses"
module Textbringer
module Color
BASIC_COLORS = {
"default" => -1,
"black" => Curses::COLOR_BLACK,
"red" => Curses::COLOR_RED,
"green" => Curses::COLOR_GREEN,
"yellow" => Curses::COLOR_YELLOW,
"blue" => Curses::COLOR_BLUE,
"magenta" => Curses::COLOR_MAGENTA,
"cyan" => Curses::COLOR_CYAN,
"white" => Curses::COLOR_WHITE,
"brightblack" => 8,
"brightred" => 9,
"brightgreen" => 10,
"brightyellow" => 11,
"brightblue" => 12,
"brightmagenta" => 13,
"brightcyan" => 14,
"brightwhite" => 15
}
RGBColor = Struct.new(:r, :g, :b, :number)
ADDITIONAL_COLORS = []
rgb_values = [0, 0x5F, 0x87, 0xAF, 0xD7, 0xFF]
rgb_values.product(rgb_values, rgb_values).each_with_index do
|(r, g, b), i|
ADDITIONAL_COLORS << RGBColor.new(r, g, b, 16 + i)
end
[
0x08, 0x12, 0x1c, 0x26, 0x30, 0x3A, 0x44, 0x4E, 0x58, 0x62, 0x6C, 0x76,
0x80, 0x8a, 0x94, 0x9E, 0xA8, 0xB2, 0xBC, 0xC6, 0xD0, 0xDA, 0xE4, 0xEE
].each_with_index do |v, i|
ADDITIONAL_COLORS << RGBColor.new(v, v, v, 232 + i)
end
def self.[](name)
n = find_color_number(name)
if n < Window.colors
n
else
-1
end
end
def self.find_color_number(name)
if name.is_a?(Integer)
return name
end
case name
when /\A\#([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})\z/
r = $1.to_i(16)
g = $2.to_i(16)
b = $3.to_i(16)
ADDITIONAL_COLORS.sort_by { |c|
(r - c.r) ** 2 + (g - c.g) ** 2 + (b - c.b) ** 2
}.first.number
else
unless BASIC_COLORS.key?(name)
raise EditorError, "No such color: #{name}"
end
BASIC_COLORS[name]
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems